Release 4.11 drivers/net/wireless/ti/wl12xx/scan.h
/*
* This file is part of wl12xx
*
* Copyright (C) 2012 Texas Instruments. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef __WL12XX_SCAN_H__
#define __WL12XX_SCAN_H__
#include "../wlcore/wlcore.h"
#include "../wlcore/cmd.h"
#include "../wlcore/scan.h"
#define WL12XX_MAX_CHANNELS_5GHZ 23
struct basic_scan_params {
/* Scan option flags (WL1271_SCAN_OPT_*) */
__le16 scan_options;
u8 role_id;
/* Number of scan channels in the list (maximum 30) */
u8 n_ch;
/* This field indicates the number of probe requests to send
per channel for an active scan */
u8 n_probe_reqs;
u8 tid_trigger;
u8 ssid_len;
u8 use_ssid_list;
/* Rate bit field for sending the probes */
__le32 tx_rate;
u8 ssid[IEEE80211_MAX_SSID_LEN];
/* Band to scan */
u8 band;
u8 scan_tag;
u8 padding2[2];
}
__packed;
struct basic_scan_channel_params {
/* Duration in TU to wait for frames on a channel for active scan */
__le32 min_duration;
__le32 max_duration;
__le32 bssid_lsb;
__le16 bssid_msb;
u8 early_termination;
u8 tx_power_att;
u8 channel;
/* FW internal use only! */
u8 dfs_candidate;
u8 activity_detected;
u8 pad;
}
__packed;
struct wl1271_cmd_scan {
struct wl1271_cmd_header header;
struct basic_scan_params params;
struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS];
/* src mac address */
u8 addr[ETH_ALEN];
u8 padding[2];
}
__packed;
struct wl1271_cmd_sched_scan_config {
struct wl1271_cmd_header header;
__le32 intervals[SCAN_MAX_CYCLE_INTERVALS];
s8 rssi_threshold; /* for filtering (in dBm) */
s8 snr_threshold; /* for filtering (in dB) */
u8 cycles; /* maximum number of scan cycles */
u8 report_after; /* report when this number of results are received */
u8 terminate; /* stop scanning after reporting */
u8 tag;
u8 bss_type; /* for filtering */
u8 filter_type;
u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 n_probe_reqs; /* Number of probes requests per channel */
u8 passive[SCAN_MAX_BANDS];
u8 active[SCAN_MAX_BANDS];
u8 dfs;
u8 n_pactive_ch; /* number of pactive (passive until fw detects energy)
channels in BG band */
u8 role_id;
u8 padding[1];
struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
struct conn_scan_ch_params channels_5[WL12XX_MAX_CHANNELS_5GHZ];
struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
}
__packed;
struct wl1271_cmd_sched_scan_start {
struct wl1271_cmd_header header;
u8 tag;
u8 role_id;
u8 padding[2];
}
__packed;
struct wl1271_cmd_sched_scan_stop {
struct wl1271_cmd_header header;
u8 tag;
u8 role_id;
u8 padding[2];
}
__packed;
int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_scan_request *req);
int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_scan_ies *ies);
void wl12xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
#endif
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